package itdfq.dfq.Behavior_Patters.visitor;

/**
 * @Author GocChin
 * @Date 2021/5/25 16:24
 * @Blog: itdfq.com
 * @QQ: 909256107
 */
public interface IVisitor {
    void visit(FreeCourse freeCourse);

    void visit(CodingCourse codingCourse);
}
